Always free

IPython/utils/_process_win32.py

@@ -190,6 +190,7 try:
             return py_arg_split(commandline, posix=posix, strict=strict)
         argvn = c_int()
         result_pointer = CommandLineToArgvW(commandline.lstrip(), ctypes.byref(argvn))
+        try:
         result_array_type = LPCWSTR * argvn.value
         result = [
             arg
@@ -198,6 +199,7 try:
             )
             if arg is not None
         ]
+        finally:
         # for side effects
         _ = LocalFree(result_pointer)
         return result